Most of the actions we take daily involve some risks : some  minor, some  serious, and, most of them can be calculated . I think,  as long as the risks involved are  not very  high or  fatal, we should consider of taking  them. In fact, generally speaking, the higher the risk we take, the more it will change our life . For example, you leave your hometown inland, and go to find a job is those coastal cities such as Shenzhen or  Shanghai. Or, you change your job from being a teacher to become a salesman;  both can be viewed as quite  high-risk decisions .However, in most cases, as long as they are not anything  fatal , I would say  "maybe we can take it? ".  Because even if  we finally fail, the teachings and experiences we get from them can still  be useful for us in future , for example to  find a better job or face other difficulties in life...